Finding the Fourth Proportional to 22,702,045.68, 31,329,488.52 and 12,389,431.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,702,045.68 : 31,329,488.52 = 12,389,431.86 : x
2. Step 2: Convert to fraction form
   22,702,045.68/31,329,488.52 = 12,389,431.86/x
3. Step 3: Cross multiply
   22,702,045.68x = 31,329,488.52 × 12,389,431.86
4. Step 4: Simplify right side
   22,702,045.68x = 388,154,563,227,192.25
5. Step 5: Solve for x
   x = 388,154,563,227,192.25/22,702,045.68
6. Step 6: Final answer
   x = 17,097,779.15